body {
    margin: 0;
    font-family: Helvetica, Arial, sans-serif;
    background: #e9ebee;
}


header nav {
    background-color: #3b5998;
    color: white;
    padding: 10px 20px;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 20px;
    text-align: right;
}


header nav h1 {
    display: inline-block;
    margin: 0;
    font-size: 24px;
}

header nav a {
    color: white;
    text-decoration: none;
    margin-left: 20px;
    font-weight: bold;
}

main {
    max-width: 700px;
    margin: 20px auto;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

form textarea, form input[type="text"], form input[type="email"], form input[type="password"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    margin-bottom: 10px;
    border-radius: 5px;
}

form button {
    background: #1877f2;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    font-weight: bold;
}

form button:hover {
    background: #145db2;
}

.post {
    border-bottom: 1px solid #ccc;
    padding: 10px 0;
}

.post img, .post video {
    max-width: 100%;
    border-radius: 10px;
    margin-top: 10px;
}

.comment {
    margin-left: 20px;
    padding-left: 10px;
    border-left: 2px solid #ccc;
}

footer {
    text-align: center;
    padding: 10px;
    color: #777;
    font-size: 13px;
    margin-top: 40px;
}

.message-bubble {
    background: #0084ff;
    color: white;
    padding: 8px 15px;
    border-radius: 20px;
    display: inline-block;
    max-width: 70%;
    margin: 5px 0;
}

.message-bubble.received {
    background: #f1f0f0;
    color: #333;
}
.feed-container {
    max-width: 600px;
    margin: 30px auto;
    background-color: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.post {
    background-color: #f3f3f3;
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.comment {
    background-color: #e9e9e9;
    padding: 8px;
    margin-top: 5px;
    margin-left: 20px;
    border-radius: 6px;
}
/* Responsive Navbar */
.nav-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    background-color: #3b5998;
    padding: 10px 20px;
    color: white;
}

.logo {
    font-size: 22px;
    margin: 0;
    color: white;
}

.nav-links {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}

/* Hamburger button */
.hamburger {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: white;
    cursor: pointer;
}

/* Default nav links (desktop) */
.nav-links {
    display: flex;
    gap: 15px;
}

/* Responsive styles */
@media (max-width: 600px) {
    .hamburger {
        display: block;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        margin-top: 10px;
    }

    .nav-links.show {
        display: flex;
    }

    .nav-links a {
        padding: 10px 0;
        border-top: 1px solid rgba(255,255,255,0.2);
        color: white;
    }
}